Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
vu khach » vu khanh, vu khac, vay khach
tinh de » tinh da, sinh de, tinh he
va tinh » may tinh
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, me hoi
xuc va » duc va, tuc va, luc va
y nang » ky nang, ly nang, v nang
de cua » le cua, te cua, dieu cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu khach)) y nang ((ma hoi) OR (ma hoa)). hieu van cac xuc va tinh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu khach)) y nang ((ma hoi) OR (ma hoa)). hieu van cac xuc va tinh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu khach)) y nang ((ma hoi) OR (ma hoa)). hieu van cac xuc va tinh de cua te".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu khach)) y nang ((ma hoi) OR (ma hoa)). hieu van cac xuc va tinh de cua te*.